2x( x -3)

x-5(x-3)

(x-5)(x-3)

x-5x(7-x)

(2x+7)(x-5)

(5x-3)(5x+3)

(7+x)(7-x)

(2x+7)^2

(x-3y)^2

(x-3)(2x+1)=0

The formula for the height of a ball h after t seconds is given by the formula:

What is the maximum height of the ball?

Find the roots of

The length of a rectangle is 4 inches greater than twice the width.

If the rectangle has an area of 70in², what is its perimeter?